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Finding the Fourth Proportional to 134,061.76, 201,102 and 40,574.56

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Solution

The fourth proportional to 134,061.76, 201,102 and 40,574.56 is: 60,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,061.76 : 201,102 = 40,574.56 : x
  2. Step 2: Convert to fraction form
    134,061.76/201,102 = 40,574.56/x
  3. Step 3: Cross multiply
    134,061.76x = 201,102 × 40,574.56
  4. Step 4: Simplify right side
    134,061.76x = 8,159,625,165.12
  5. Step 5: Solve for x
    x = 8,159,625,165.12/134,061.76
  6. Step 6: Final answer
    x = 60,864.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.